- Staedtler Mars Lumograph charcoal pencil :
 +high-quality charcoal pencil line with main ingredients including: carbon and charcoal. The charcoal is smooth and dark.
 +specialized for drawing sketches, portraits, and portraiture.
 +Density depends on the hardness of the lead. There are 3 levels of hardness of charcoal lead: S (Soft) highest density, M (Medium) moderate density, H (Hard) lowest density
 +wooden pencil body covered with gray paint with charcoal core about 4.5mm in diameter